Yet another great deal to Puerto Rico! After the amazing fare from other European cities, we also found cheap non-stop tickets from Madrid to San Juan from only €362 round-trip with Air Europa! Also flights with stops from Barcelona for €363!
Alitalia is having a sale from Madrid to Puerto Rico! Book return tickets to San Juan starting at only €334 round trip!
(Updated) Iberia is having a sale from several Spanish cities to Puerto Rico! Book return tickets starting at only €282!